Barbecue grill



FIG. 1 is a front-left-top perspective view of a barbecue grill, showing my new design; FIG. 2 is a front elevational view thereof; FIG. 3 is a rear elevational view thereof; FIG. 4 is a left side elevational view thereof; FIG. 5 is a right side elevational view thereof; FIG. 6 is a top plan view thereof; and, FIG. 7 is a bottom plan view thereof. 

The ornamental design for a barbecue grill, as shown. 